package JavaBean;

import java.lang.reflect.Constructor;
import java.lang.reflect.Modifier;

public class GetClassConstructorsInfo {
    public static void main(String[] args) {
        Constructor[] cons = Person.class.getDeclaredConstructors();

        System.out.println("========构造方法展示=========");
        for (Constructor con : cons) {
            System.out.println("访问修饰符：");
            int modifer = con.getModifiers();
            if((modifer & Modifier.PUBLIC) == Modifier.PUBLIC)
                System.out.println("public");
            else if((modifer & Modifier.PROTECTED) == Modifier.PROTECTED)
                System.out.println("protected");
            else if((modifer & Modifier.PRIVATE) == Modifier.PRIVATE)
                System.out.println("private");
            else
                System.out.println("default(pacakge)");

            Class[] params = con.getParameterTypes();
            if (params.length == 0){
                System.out.println("该构造方法没有参数");
            }else {
                System.out.print("参数类型：[");
                for (int i=0;i<params.length;i++) {
                    if(i != 0)
                        System.out.println(",");
                    System.out.println(params[i].getName());
                }
                System.out.println("]");
            }
            System.out.println("------------------------");
        }
    }
}
